Brewster, WA Weather & Growing Conditions
Tonight
54°F
Mostly Clear
Mostly clear. Low around 54, with temperatures rising to around 56 overnight. North wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Mostly Clear | 2 mph N | 0% |
| Saturday | 74°F | Mostly Sunny | 0 to 5 mph E | 0% |
| Saturday Night | 54°F | Partly Cloudy | 0 to 3 mph E | 0% |
| Sunday | 75°F | Sunny | 0 to 5 mph SE | 0% |
| Sunday Night | 56°F | Mostly Clear | 3 mph NW | 0% |
| Monday | 75°F | Sunny | 1 to 5 mph S | 0% |
| Monday Night | 53°F | Partly Cloudy | 5 mph W | 0% |
| Tuesday | 72°F | Mostly Sunny | 3 mph S | 0% |
| Tuesday Night | 50°F | Partly Cloudy | 5 mph W | 0% |
| Wednesday | 68°F | Mostly Sunny | 5 mph NE | 1% |
| Wednesday Night | 52°F | Mostly Cloudy | 0 to 5 mph NW | 2% |
| Thursday | 68°F | Partly Sunny | 2 mph NE | 7% |
| Thursday Night | 53°F | Mostly Cloudy | 2 mph W | 8% |
| Friday | 66°F | Partly Sunny | 1 to 6 mph W | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Brewster, WA
Last spring frost
Apr 21
First fall frost
Oct 15
Growing season
177 days
Hardiness zone
7a
Explore more for Brewster, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Methow 2 S, Wa (9.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.